A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6220-00-416-6215
NSN 5990-01-443-2931
NSN 6645-01-609-7365
NSN 5835-01-621-0750
NSN 5915-00-954-0559
NSN 6610-01-555-0842
NSN 6130-01-579-2183
NSN 5996-01-329-7161
NSN 5915-01-253-7821
NSN 6610-01-112-0447
NSN 6320-01-352-8084
NSN 5935-01-140-6590